42375023 has 2 divisors, whose sum is σ = 42375024. Its totient is φ = 42375022.

The previous prime is 42375019. The next prime is 42375031. The reversal of 42375023 is 32057324.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42375023 - 2² = 42375019 is a prime.

It is a Sophie Germain prime.

It is a plaindrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 42374983 and 42375001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42375043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21187511 + 21187512.

It is an arithmetic number, because the mean of its divisors is an integer number (21187512).

Almost surely, 2^42375023 is an apocalyptic number.

42375023 is a deficient number, since it is larger than the sum of its proper divisors (1).

42375023 is an equidigital number, since it uses as much as digits as its factorization.

42375023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 26.

The square root of 42375023 is about 6509.6100497649. The cubic root of 42375023 is about 348.6341955234.

The spelling of 42375023 in words is "forty-two million, three hundred seventy-five thousand, twenty-three".